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Calamos Advisors

Calamos Advisors Portfolio holdings

AUM $30.1B
1-Year Est. Return 30.03%
This Fund
S&P 500
This Quarter Est. Return
+19.33%
1 Year Est. Return
+30.03%
3 Year Est. Return
+88.6%
5 Year Est. Return
+115.14%
10 Year Est. Return
+349.12%
AUM
$30.1B
AUM Growth
+$1.84B
Cap. Flow
-$6.55B
Cap. Flow %
-21.8%
Top 10 Hldgs %
28.38%
Holding
1,336
New
131
Increased
151
Reduced
386
Closed
356

Top Buys

Rank Stock Value
1
CBOX
Calamos Tax-Aware Collateral ETF
CBOX
+$1.08B
2
GOOGM
Alphabet Inc Depositary Shares Series A Preferred Stock
GOOGM
+$234M
3
GOOGN
Alphabet Inc Depositary Shares Series B Preferred Stock
GOOGN
+$231M
4
SMCIP
Super Micro Computer Depositary Shares 7% Series A Preferred Stock
SMCIP
+$81.3M
5
ROKU icon
Roku
ROKU
+$39.6M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$502M
2
AAPL icon
Apple
AAPL
+$244M
3
NVDA icon
NVIDIA
NVDA
+$231M
4
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$194M
5
IVV icon
iShares Core S&P 500 ETF
IVV
+$188M

Sector Composition

Rank Sector Weight
1 Miscellaneous 38.82%
2 Technology 22.91%
3 Communication Services 7.77%
4 Financials 6.69%
5 Consumer Discretionary 6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SPYG icon
726
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$54.4B
$277K ﹤0.01%
2,326
– –
FIGXU
727
FIGX Capital Acquisition Corp Units
FIGXU
$262K ﹤0.01%
24,640
– –
OBAWU
728
Oxley Bridge Acquisition Ltd Unit
OBAWU
$261K ﹤0.01%
24,642
– –
MEC icon
729
Mayville Engineering Co
MEC
$506M
$258K ﹤0.01%
+6,883
New +$184K
MBVIU
730
M3-Brigade Acquisition VI Corp Units
MBVIU
$309M
$255K ﹤0.01%
24,606
– –
IWB icon
731
iShares Russell 1000 ETF
IWB
$49.1B
$253K ﹤0.01%
618
-12,198
-95% -$4.83M
ITHAU
732
ITHAX Acquisition Corp III Units
ITHAU
$252K ﹤0.01%
24,573
– –
TDACW
733
Translational Development Acquisition Corp Warrants
TDACW
$15.9M
$245K ﹤0.01%
+185,766
New +$186K
AMBQ
734
Ambiq Micro
AMBQ
$1.44B
$241K ﹤0.01%
+2,727
New +$162K
CDNL
735
Cardinal Infrastructure Group
CDNL
$781M
$229K ﹤0.01%
+2,433
New +$140K
IEFA icon
736
iShares Core MSCI EAFE ETF
IEFA
$196B
$229K ﹤0.01%
2,373
-107,544
-98% -$10.3M
CVEO icon
737
Civeo
CVEO
$353M
$228K ﹤0.01%
+6,525
New +$210K
EWY icon
738
iShares MSCI South Korea ETF
EWY
$29B
$225K ﹤0.01%
1,115
-47,716
-98% -$8.42M
SCHK icon
739
Schwab 1000 Index ETF
SCHK
$5.85B
$222K ﹤0.01%
+6,163
New +$215K
LZM.WS icon
740
Lifezone Metals Ltd Warrants
LZM.WS
$32M
$205K ﹤0.01%
500,000
– –
TEI
741
Templeton Emerging Markets Income Fund
TEI
$321M
$204K ﹤0.01%
+30,257
New +$194K
DELL icon
742
Dell
DELL
$345B
$201K ﹤0.01%
+465
New +$134K
METC icon
743
Ramaco Resources Class A
METC
$794M
$198K ﹤0.01%
15,000
– –
AISPW
744
Airship AI Holdings Warrants
AISPW
$15M
$190K ﹤0.01%
250,000
– –
SDHIR
745
Siddhi Acquisition Corp Right
SDHIR
$173K ﹤0.01%
+750,000
New +$157K
QETA icon
746
Quetta Acquisition Corp
QETA
$44.4M
$169K ﹤0.01%
14,770
– –
EEA
747
European Equity Fund
EEA
$76M
$167K ﹤0.01%
+15,223
New +$161K
ETV
748
Eaton Vance Tax-Managed Buy-Write Opportunities Fund
ETV
$1.8B
$165K ﹤0.01%
11,105
-31,609
-74% -$460K
GTENW
749
Gores Holdings X Warrants
GTENW
$6.02M
$165K ﹤0.01%
+175,000
New +$122K
SSACU
750
SPACSphere Acquisition Corp Unit
SSACU
$152K ﹤0.01%
15,000
– –
28 29
30
31 32

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Calamos Advisors's Q2 2026 Portfolio in Review

As of Q2 2026, Calamos Advisors held 1,336 positions worth $30.1B, up 6.5% from $28.2B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Calamos Advisors withdrew a net $6.55B in Q2 2026, closing 356 positions and reducing 386 holdings. Its most notable exit was iShares Russell 3000 ETF, an estimated $57.1M position sold in full.

By sector, the portfolio is most concentrated in Miscellaneous at 39% of assets, up from 38% a quarter earlier, followed by Technology and Communication Services.

Against the trend, Calamos Advisors opened a new position in Calamos Tax-Aware Collateral ETF worth $1.08B.

  • Calamos Advisors's largest Q2 2026 buy was Calamos Tax-Aware Collateral ETF: 10,693,254 shares worth $1.08B.
  • Calamos Advisors added most to Intel in Q2 2026, an estimated $29.7M increase.
  • Calamos Advisors's biggest Q2 2026 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $502M.
  • Calamos Advisors fully exited iShares Russell 3000 ETF in Q2 2026, selling an estimated $57.1M.
  • Calamos Advisors's ten largest holdings make up 28% of its $30.1B portfolio in Q2 2026.
  • Calamos Advisors opened 131 new positions and closed 356 in Q2 2026.
  • Calamos Advisors's portfolio value rose 6.5% quarter-over-quarter to $30.1B.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.